Indoor Air Quality Monitor, LFF PM2.5 Detector, Temperature Tester, and Humidity Monitor Meter Sensor for Home, Office, School, Hotel, Car (Updated Version) Updated version Size:Updated version Dimension Cutting diameter : 1-inch(25mm)

Dimension Cutting diameter : 1-inch(25mm)

If you have any question with the Positioning Squares tools

Bronze 3/4 X 7/8 X 1-1/8 X 3/4-Inch

with strong loading capability

Package contains: 25 x fixing screws + 1 x hex wrench

Indoor Air Quality Monitor, LFF PM2.5 Detector, Temperature Tester, and Humidity Monitor Meter Sensor for Home, Office, School, Hotel, Car (Updated Version) Updated version Size:Updated version Dimension Cutting diameter : 1-inch(25mm)Indoor Air Quality Monitor, LFF PM2. 5 Detector, Temperature Tester, and Humidity Monitor Meter Sensor for Home, Office, School, Hotel, Car (Updated Version) Read more MEASUREMENT ACCURACY Temp Accuracy: 1 3 Humidity Accuracy: 5% Clock Accuracy: 1 min PM2. 5 Index Accuracy 0 100 ug m315 ug m3101 500 ug m315% ug m3501 999 ug m320% ug m3 SPECIFICATIONS PM2. 5 Range: 0 to 999 ug m3Humidity Range: 1% to 99%RHBrightness Adjustment: 100%, 60%,